Table 1 Bader charge analysis of CaO3, KO3, CaO, and CaO2 at 30 GPa.

From: Pressure-stabilized divalent ozonide CaO3 and its impact on Earth’s oxygen cycles

Compounds

Ca/K (e)

Obridge(e)

Oterminal(e)

O (e)

CaO3

1.51

−0.21

−0.65

 

KO3

0.86

+0.04

−0.45

 

CaO

1.43

  

−1.43

CaO2

1.48

  

−0.74